Cowl
A cowl is a cylindrical shaped covering used to protect equipment from the elements. In maritime context, a cowl is often used to cover and protect the opening of a ventilation system on a ship. The cowl is designed to prevent water from entering the ventilation system while still allowing air to flow through. It is typically made of metal or plastic and is mounted on the deck of the ship. The cowl may also have a flange or lip around the base to prevent water from running down the deck and into the ventilation system. Properly functioning cowls are essential for maintaining good air quality and preventing moisture damage on board a ship.
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